#include <iostream>
#include <string>
#include <vector>
using namespace std;

int main() {
    string s = "bbbab";
    //getline(cin, s);
    int n = s.size();
    vector<vector<int>>dp(n, vector<int>(n));
    for (int i = 0; i < n; i++) {
        dp[i][i] = 1;
    }

    for (int i = n - 1; i >= 0; i--) {
        for (int j = i + 1; j < n; j++) {
            if (s[i] == s[j]) 
                dp[i][j] = dp[i + 1][j - 1] + 2;
            else 
                dp[i][j] = max(dp[i + 1][j], dp[i][j - 1]);
        }
    }
    //cout << dp[0][n - 1] << endl;
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            cout << dp[i][j] << " ";
        }
        cout << endl;
    }
    return 0;
}